*{
    margin: 0;
    padding: 0;
}
/* 取消加粗 */
h1,h2,h3,h4,h5,h6,strong,b{
    font-weight: normal;
}
body{ font-family:"微软雅黑";font-size:12px;}
/* 取消倾斜 */
em,i{
    font-style: normal;
}
/* 取消列表符号 */
ul,li,ol{
    list-style: none;
}
img,fieldset{border:0; }
/* 取消划线 */
a{
    text-decoration: none;
    color:#333;
    outline: none;
}
/* 取消边框背景 */
input,button{
    border: none;
    background: none;
    text-indent: 5px;
}
/* 解决图片3px */
img{
    display: block;
}

/* 解决高度塌陷 */
.clean:after{
    content: '.';
    display: block;
    clear: both;
    height: 0;
    overflow: hidden;
    visibility: hidden;
}
/* 解决ie6兼容 */
.clean{
    zoom: 1;
}

.fl{
    float: left;
}
.fr{
    float: right;
}